def _filter_uninferable_nodes(elts, context):
for elt in elts:
if elt is util.Uninferable:
yield nodes.Unknown()
else:
for inferred in elt.infer(context):
if inferred is not util.Uninferable:
yield inferred
else:
yield nodes.Unknown()
def test_unknown():
"""Test Unknown node"""
assert isinstance(next(nodes.Unknown().infer()), type(util.Uninferable))
assert isinstance(nodes.Unknown().name, str)
assert isinstance(nodes.Unknown().qname(), str)